diff --git a/src/Bundle/ChillDocStoreBundle/Workflow/AccompanyingCourseDocumentWorkflowHandler.php b/src/Bundle/ChillDocStoreBundle/Workflow/AccompanyingCourseDocumentWorkflowHandler.php
index 7e572c89d..c1e3a7765 100644
--- a/src/Bundle/ChillDocStoreBundle/Workflow/AccompanyingCourseDocumentWorkflowHandler.php
+++ b/src/Bundle/ChillDocStoreBundle/Workflow/AccompanyingCourseDocumentWorkflowHandler.php
@@ -47,7 +47,7 @@ class AccompanyingCourseDocumentWorkflowHandler implements EntityWorkflowHandler
         }
 
         return [
-            'persons' => $persons,
+            'persons' => array_values($persons),
         ];
     }